- Used Spring Boot Actuator to externalize application's configuration properties for various environments.- Used Spring Cloud AWS Core, Spring Cloud AWS Context, and Spring Cloud AWS Messaging.- Used spring dependency injection, annotations and Spring MVC components to implement business layer and navigation part of application.- Micro services have been built using spring boot, spring security and deployed to AWS cloud. - Application was installed on AWS EC2 instances and configured the storage on S3 buckets. - Defined Hibernate Named Queries for Batch related operations while defined Criteria Queries for Micro services.- Applied React JS components, Forms, Events, Keys, Router, Animations, and Redux concept in developing our application.- GRADLE is used as build tool in our application and NPM is used to build our Node JS application which is a server-side java script application.- GIT is used to maintain version control and Bamboo is used for CD/CI deployment.- Spock and Mockito were used to write and run the unit testcases. - Experience in creating a Kubernetes Clusters in AWS and deploying a Docker Image on top of Kubernetes Cluster.

- All the functionality is implemented using Spring IO / Spring Boot and Hibernate ORM. Created the build, deployment and configuration related scripts for Maven- Implemented the front-end using HTML5, CSS3, JavaScript, ExtJS, Bootstrap, jQuery, Ajax, NodeJS and ReactJS.- Utilized Hibernate and SQL for communication with SQL Server database. - Built Spring Boot microservices for the delivery of software products across the enterprise.- Decompose existing monolithic application into multiple microservices using Spring boot and Kafka.- Used Micro services to communicate using synchronous protocols HTTP and REST for implementing SOA approach- Implementation of Spring Restful web services which produces JSON- Migrating existing application into micro services architecture using Rest APIs, spring boot- Used Node.js APIs for authentication and authorization.- Functional, non-functional and performance testing of key systems prior to cutover to AWS- Decompose existing monolithic application into multiple microservices using Spring boot and Kafka.- Good knowledge on the Spring modules like Spring IOC, Spring MVC, Spring Web flow, Spring AOP, Spring DAO and Spring Security.- Designed and integrated the full-scale Hibernate persistence solution with the application architecture.- Involved in design and development of the Hibernate Domain Model for the service.

- Build the reusable service components with AngularJS, Bootstrap, and JSX that are used across various modules.- Worked with Java 8 features like Lambda Expressions, Filters, Stream API, forEach() method in Iterable interface, new Date API, Predicates and Functional Interfaces.- Implemented Micro-Services with Spring Cloud provided library services like Netflix Eureka Naming Server, Netflix Ribbon, and Feign Client as a Rest client to map response to the client bean.- Hands on experience with Core Java with multithreading, Concurrency, Exception Handling, File handling, IO, Generics, Data structures and Collections, Garbage Collection. - For parts of the application where it was not feasible to implement Hibernate, used Java Database Connectivity API to access some relational databases.- Participated in migration to DB2 data base from Oracle DB.- Creating alarms and notifications for EC2 instances using Cloud Watch.- Maintained and expanded AWS (Cloud Services) infrastructure using AWS Stack, defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or more AWS EC2 instances.